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What type of reaction occurs in CCA (Chromated Copper Arsenate) Is it a Redox?
CS2(l) + 3 O2(g) -→ CO2(g) + 2 SO2(g) . If 1.18 mol of CS2 is combined with 1.55 mol of O2, identify the limiting reactant.
How Much Chlorine Must be Added to a Swimming Pool? A solution used to chlorinate a home swimming pool contains 7% chlorine by mass. An ideal chlorine level for the pool is one part per million (think of 1 ppm as being 1 g chlorine per million gra..
An 18.0 g sample of magnesium is completely burned in the presence of air to form magnesium oxide. What is the mass of magnesium oxide obtained
A sample of an unknown biochemical compound is found to have a percent composition of 59.01% carbon, 7.15% hydrogen, 7.65% nitrogen and the balance oxygen. Explain what is the empirical formula for the compound
Question- Fluorite, a mineral of calcium, is a compound of the metal with fluorine. Analysis shows that a 2.62 g sample of fluorite contains 1.61 g calcium. Calculate the following.
The Ksp for Gd(OH)3 is 1.8 x 10-23, what would be the pH of a solution that contains 0.01 M Gd3+(aq)
If 2.44 moles of Helium gas has a pressure of 2.4 atm at 343 K, what volume must the gas occupy.
calculate the activation energy for a reaction if its rate constant increases from 10 to 45 s as the temperature increases from 298 to 315 k .
Use the wedge/hash bond tools to indicate stereochemistry. Show stereochemistry in a meso compound. In cases where there is more than one answer, just draw one.
What is the pH of a buffer solution composed of 0.125 moles of ammonia, NH3, and 0.2 moles ammonium chloride, NH4Cl, in enough water to make a 0.075 L solution? Kb for NH3 = 1.8x10^-5.
Question- What is the pH change of a 0.300M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.155M with no change in volume
A 7.75 gram sample of methane gas has a volume of 876 milliliters at a pressure of 3.42 atm. The temperature of the CH4 gas sample is. answer in C please.
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